| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,620 | $31,293 |
| 2016 | $68,064 | $31,396 |
| 2017 | $70,588 | $32,189 |
| 2018 | $70,588 | $29,872 |
| 2019 | $75,886 | $31,186 |
| 2020 | $78,572 | $33,872 |
| 2021* | $81,487 | $34,729 |
| 2022* | $84,510 | $35,608 |
| 2023* | $87,646 | $36,508 |
| 2024* | $90,897 | $37,432 |
| 2025* | $94,269 | $38,379 |
